APA
Gregory E. N., Slater G., Woodley C. C., Slaer G., Transportation Research Board N. R. C. W. D., American Association of State Highway and Transportation Officials & Federal Highway Administration. (1989). Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board.
Chicago
Gregory E N, Slater Graham, Woodley Chris C, Slaer G, Transportation Research Board National Research Council Washington D.C, American Association of State Highway and Transportation Officials and Federal Highway Administration. 1989. Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board.
Harvard
Gregory E. N., Slater G., Woodley C. C., Slaer G., Transportation Research Board N. R. C. W. D., American Association of State Highway and Transportation Officials and Federal Highway Administration. (1989). Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board.
MLA
Gregory E N, Slater Graham, Woodley Chris C, Slaer G, Transportation Research Board National Research Council Washington D.C, American Association of State Highway and Transportation Officials and Federal Highway Administration. Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board. 1989.